Function parsnip::jaccard_similiarity_score [−][src]
pub fn jaccard_similiarity_score<T>(
pred: &[T],
actual: &[T]
) -> Result<f32, LengthError> where
T: Eq,
The jaccard similarity of a dataset
Returns the jaccard similarity score which for our purposes is effectively categorical accuracy [0, 1]
Supports macro and weighted averages
use parsnip::jaccard_similiarity_score; let actual = vec![0, 2, 1, 3]; let pred = vec![0, 1, 2, 3]; assert_eq!(jaccard_similiarity_score(&pred, &actual)?, 0.5);